Abdulbari ath-Thubaity was appointed as a guest imam for 4 years at Masjid al-Haram, Mecca from 1990 to 1993 for Tarawih Prayers during the month of Ramadan. He also participated in the 1990 and 1992 completion night, with Ali al-Hudhayfi and Abdullah Khulaifi in 1990, and al-Sudais in 1992 completion night. After his tenure ended, for the next few years Tarawih was only lead by al-Sudais and Saud al-Shuraim
At Prophet's Mosque
He was appointed as the Imam and Khatib of the Prophet’s Mosque in Medina in 1994.[5] He regularly led the Tarawih prayers until 2007, when he stepped down due to health reasons (thyroid cancer). Since then, during the month of Ramadan, he is typically scheduled to lead the Maghrib prayers throughout the month, unless health conditions prevent him from doing so.